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IMAMCI
2010
60views more  IMAMCI 2010»
15 years 4 months ago
Null boundary controllability of a circular elastic arch
We consider a circular arch of thickness ε and curvature r−1 whose elastic deformations are described by a 2×2 system of linear partial differential equation. The system - of...
Arnaud Münch
SIGMOD
2006
ACM
124views Database» more  SIGMOD 2006»
16 years 5 months ago
Redundancy and information leakage in fine-grained access control
The current SQL standard for access control is coarse grained, in that it grants access to all rows of a table or none. Fine-grained access control, which allows control of access...
Govind Kabra, Ravishankar Ramamurthy, S. Sudarshan
IROS
2006
IEEE
91views Robotics» more  IROS 2006»
15 years 11 months ago
Velocity-Bounding Stiff Position Controller
— High-gain PID position control, which is widely used with robots having complex dynamics, involves some risks in cases of abnormal events, such as unexpected environment contac...
Ryo Kikuuwe, Takahiro Yamamoto, Hideo Fujimoto
SACMAT
2006
ACM
15 years 11 months ago
Secure resource description framework: an access control model
In this paper we propose an access control model for the Resource Description Framework (RDF). We argue that existing access control models, like the ones developed for securing e...
Amit Jain, Csilla Farkas
FPL
2005
Springer
97views Hardware» more  FPL 2005»
15 years 11 months ago
Safe PLD-based Programmable Controllers
In many industrial processes, an incorrect operation can lead to irreparable damage to people, equipment, or the environment. In order to reduce risks, the electronic control syst...
Jacobo Alvarez, Jorge Marcos, Santiago Fernandez